And so the revised manual put forth a call to implement the design we know today: "The Stop sign shall be octagonal in shape, shall have red background, and shall carry the word STOP in white ...

This supplement also mandated that stop signs be white text on a red background. Prior to this change, stop signs were allowed to be either black or red text on a yellow background, in line with ...

According to resolution background information ... the proposal to erect stop signs as well as flashing lights by adorning the new signs with flashing red lights. She noted they have these ...

We’re all familiar with the classic red stop sign — from elementary school lessons on shapes and colors to the guidance of crossing guards and, eventually, driving on our own. But while it’s ...